Patent classifications
C
CHEMISTRY; METALLURGY
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C01
INORGANIC CHEMISTRY
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C01F
COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
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C01F7/48
Halides, with or without other cations besides aluminium
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C01F7/54
Double compounds containing both aluminium and alkali metals or alkaline-earth metals
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